Number of Men to Have Walked on the Moon

This page is the CodyCross answer for the clue below from Physics, Group 1884, Puzzle 2 (Photoelectric Effect).

Question is: Number of Men to Have Walked on the Moon

and the answer is: TWELVE

Word Meaning:

TWELVE — The cardinal number occurring after eleven and before thirteen, represented in Arabic numerals as 12 and in Roman numerals as XII.

Definitions from Wiktionary.

Number Of Men To Have Walked On The Moon - Physics CodyCross Answers | CodyCross Solutions